Home / 2,574.26-3,861.56-1,275.38

Finding the Fourth Proportional to 2,574.26, 3,861.56 and 1,275.38

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Solution

The fourth proportional to 2,574.26, 3,861.56 and 1,275.38 is: 1,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.26 : 3,861.56 = 1,275.38 : x
  2. Step 2: Convert to fraction form
    2,574.26/3,861.56 = 1,275.38/x
  3. Step 3: Cross multiply
    2,574.26x = 3,861.56 × 1,275.38
  4. Step 4: Simplify right side
    2,574.26x = 4,924,956.39
  5. Step 5: Solve for x
    x = 4,924,956.39/2,574.26
  6. Step 6: Final answer
    x = 1,913.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.